WIKIPEDIA:

“ Songs of Mass Destruction is the title of the fourth studio album by Annie Lennox, released on October 1, 2007 in the UK and October 2, 2007, in the U.S. . The album debuted at number 7 in the UK, and number 9 in the U.S. where it sold 78,000 copies its first week. It was her first album of new material since 2003's Bare.

Singles
The first single, "Dark Road", first appeared on Lennox's MySpace page on 15 August 2007. It was subsequently released as a single on 24 September 2007 and charted at number 58 on the UK Singles Chart.
The second single, "Sing," was released digitally on 1 December 2007 and it had a physical release as a single on 17 March 2008. "Sing" is a collaboration between Lennox and 23 other prominent female acts and artists and is a charity record aimed to raise money and awareness for the HIV/AIDS organization Treatment Action Campaign.
The song is a collaboration between Lennox and twenty-three prominent female acts and artists. The line-up consists of Madonna, Anastacia, Isobel Campbell, Dido, Céline Dion, Melissa Etheridge, Fergie, Beth Gibbons, Faith Hill, Angélique Kidjo, Beverley Knight, Gladys Knight, k.d. lang, Sarah McLachlan, Beth Orton, [......] ”

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